VDB-100643 · CVE-2016-7815 · BID 95379

Remote Service Manager up to 3.1.4 Client Certificate Validator certificate validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.6$0-$5k0.00

Summaryinfo

A vulnerability marked as critical has been reported in Remote Service Manager up to 3.1.4. This issue affects some unknown processing of the component Client Certificate Validator. The manipulation leads to certificate validation. This vulnerability is listed as CVE-2016-7815. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Remote Service Manager up to 3.1.4 and classified as critical. This issue affects an unknown code of the component Client Certificate Validator. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Remote Service Manager 3.0.0 to 3.1.4 fails to verify client certificates, which may allow remote attackers to gain access to systems on the network.

The bug was discovered 01/11/2017. The weakness was presented 04/28/2017 (Website). It is possible to read the advisory at jvn.jp. The identification of this vulnerability is CVE-2016-7815 since 09/09/2016. The attack may be initiated remotely. A simple authentication is needed for exploitation. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 107 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 95379†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.6

VulDB Base Score: 5.0
VulDB Temp Score: 5.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 4.2
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/09/2016 🔍
01/11/2017 +124 days 🔍
01/11/2017 +0 days 🔍
04/28/2017 +107 days 🔍
04/28/2017 +0 days 🔍
04/28/2017 +0 days 🔍
09/21/2020 +1242 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2016-7815 (🔍)
GCVE (CVE): GCVE-0-2016-7815
GCVE (VulDB): GCVE-100-100643
SecurityFocus: 95379 - Cybozu Remote Service Manager CVE-2016-7815 Certificate Validation Security Bypass Vulnerability
OSVDB: - CVE-2016-7815 - Cybozu - Remote Service Manager - Medium

Entryinfo

Created: 04/28/2017 23:39
Updated: 09/21/2020 16:55
Changes: 04/28/2017 23:39 (57), 09/21/2020 16:55 (4)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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